For safety reasons, I do not want to use a solar blanket or solar pool cover. What can I add to the pool to increase the heating efficiency of the solar pool heater?

Question:

For safety reasons, I do not want to use a solar blanket or solar pool cover. What can I add to the pool to increase the heating efficiency of the solar pool heater?

Answer:

There are plenty of liquid chemicals that can be added as a type of liquid solar blanket. It is not known to be as efficient at keeping the heat, but it can help to supliment the solar pool heat.